Before applying any fix, make sure you have a backup of your important data. While the solutions below are safe, it’s always good practice to have a safety net when troubleshooting system issues.
This issue typically occurs after a system update, kernel upgrade, or hardware change. The good news is that grub recovery is almost always fixable without reinstalling your system. Here’s what to do.
The first thing to check when dealing with grub recovery is the system logs. Run `journalctl -b` to see the current boot’s logs, or check `/var/log/syslog` for clues. Nine times out of ten, the error message points directly to the cause.


Bookmarked. This is the best grub recovery troubleshooting guide out there.
Solution #3 worked for me on Linux Mint 21. Thanks!
For anyone on Fedora, you also need to run…